Answer:
Perpendicular lines.
Step-by-step explanation:
They are called perpendicular lines.
If the slope of one line is m them the slope of the other is -1/m.
Answer:
Tooth A
Step-by-step explanation:
Since the larger tooth has to be displayed, knowing that no matter how many zeros you add to the end of a decimal, the value of it will stay the same. 0.23 is 1 digit short that 0.195, so if you just add a 0 to 0.23, it make both of them have a digit in the thousandths place. Now it's easier to solve, 0.230>0.195.
Tooth A should be displayed.
Answer:
-1.9b + 7.8
Step-by-step explanation:
